Triangle Quiz

1. What is the third angle for the triangle where angle1 = 45° and angle2 = 45°?

45° 60° 90°

2. If a triangle has one of the interior angles 90°, what is it called?

obtuse acute right angled

3. If a triangle has all the three sides of equal length, what is it called?

equilateral triangle isosceles triangle scalene triangle

4. If a triangle has two sides are of equal length, what is it called?

equilateral triangle isosceles triangle scalene triangle

5. If a triangle has all three sides unequal, what is it called?

equilateral triangle isosceles triangle scalene triangle

6. If a triangle has all interior angles less than 90°, what is it called?

obtuse acute right angled

7. If a triangle has one of the interior angles more than 90°, what is it called?

obtuse acute right angled

8. How many sides a triangle has?

1 2 3

9. Sum of angles of the triangle is equal to?

120° 180° 150°

10. The longest side of a right-angled triangle is?

base perpendicular hypotenuse